n. 【环境】
巨噬细胞
A film of fatty substances (surfactant)over the walls reduces surface tension, keeping the alveoli from collapsing and making it easier to expand the lungs. Alveolar macrophages act as mobile scavengers, engulfing foreign particles in the lungs.
肺壁上的一层脂质(表面活性物质)能降低肺泡表面张力,防止肺泡萎陷并使肺较易扩张。肺泡巨噬细胞则为可活动的清道夫,吞噬肺中的异物颗粒。
例句
noun
1.A large phagocytic cell found in stationary form in the tissues or as a mobile white blood cell, especially at sites of infection.
‘As well as the polymorphs and macrophages, there are cells that do not originate in the bone marrow, nor travel in the bloodstream, which can also act as phagocytes.’
‘Naive monocytes and macrophages are the primary cell types encountered by the bacterium during the invasion process.’
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